javascript - 使用 documentFragment 会导致回流/重绘吗？

Question

只是出于兴趣，有人知道这个问题的答案吗？

Answer 1

来自 MozDev ( https://developer.mozilla.org/en-US/docs/DOM/document.createDocumentFragment )

Since the document fragment is in memory and not part of the main DOM tree, appending children to it does not cause page reflow (computation of element's position and geometry). Consequently, using document fragments often results in better performance.